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Ransomware group profile · #180 by claimed victims

Cheers ransomware

Cheers is a Linux-based ransomware group that emerged in 2022, built on leaked Babuk source code and specializing in attacks against VMware ESXi servers, running a double-extortion leak site with four documented victims.

Active First seen May 2022
15Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
2Leak-site URLs tracked, 0 online
14 Sep 2022Latest claim recorded

Victimology

Who Cheers claims to have breached, from 15 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 0OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 0Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Financial Services6
Transportation4
Hospitality2
Technology1
Healthcare1

Top countries

No country data yet.

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
DYNAM JAPAN HOLDINGS CO., LTD dynam japan holdings co., ltd Hospitality 14 Sep 2022
An Japan Game Halls Operator Hospitality 1 Sep 2022
An British Financial Company -Public Financial Services 18 Aug 2022
An Insurance Company -Paid Financial Services 9 Aug 2022
An Turkey Certified Public Accountancy Firms -Unpay Financial Services 9 Aug 2022
An Insurance Company Financial Services 19 Jul 2022
An British Financial Company -Unpay Financial Services 18 Jul 2022
An International Shipping Company - Paid Transportation 18 Jul 2022
An International Shipping Company - Unpay Transportation 1 Jul 2022
https:// Not Found 30 Jun 2022
Sembcorp Marine - Unpay Transportation 28 Jun 2022
An Technology Company - Paid Technology 29 May 2022

All 15 Cheers victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

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Tactics, techniques and procedures

ATT&CK technique mapping for Cheers is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Cheers ransomware still active?
Cheers is tracked as active. The most recent leak-site claim VULONE recorded is dated 14 September 2022.
How many victims has Cheers claimed?
VULONE has recorded 15 leak-site victim claims attributed to Cheers since May 2022, across 0 countries and 6 sectors.
Which industries does Cheers target?
The sectors most often named on the Cheers leak site are Financial Services, Transportation, Hospitality.
Which countries are most affected by Cheers?
Country data for Cheers victims is not yet available.
Where does VULONE get Cheers victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].